I am struggling with parsing a csv file. My csv file unfortunately has some double quotes and commas in the column data. Below is some sample data. Columns 3, 4 and 5 contain names in the format (last, first middle). To add to the complexity one or more of the name columns might be empty, as in the second, third and fourth sample lines.
Examples
column1,column2,column3,column4,column5,column6,column7
data,data,"lname, fname mi","lname, fname mi","lname fname mi",data,data
data,data,"lname, fname mi","lname, fname mi",,data,data
data,data,"lname, fname mi",,,data,data
data,data,,,,data,data
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